The answer is whiskey my friends!!
Reporter's notebook: How my dad, 106, survived the 'other' pandemic - the Spanish fluEdward was 5 years old. According to him, he probably contracted the “dreaded disease†from his “playmates.†Unlike the current COVID-19, the Spanish flu hit younger people harder than the elderly.
“Those who drank whiskey escaped the flu,†Dad recalls his mother Mamie suggesting, “those who did not, succumbed.â€
In fact, Dad’s mother and father were fine. Ed, the only child at the time, got the attention.............
https://www.foxnews.com/us/greg-palkot-pandemic-coronavirus-spanish-flu